Assume the market for corn is comprised of many buyers and sellers and resembles perfect competition in general, gasoline in the u. s contains 10% ethanol as an additive. ethanol in the u. s is made from corn. if the ethanol content in gasoline increases to 20%, this will lead to an increase in the price of other grain crops.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic